Refer to the Figure

Refer to the figure.
Male fruit flies spend more time courting virgin females than recently mated females. Based on this fact and the accompanying figure, which of the following is not a reasonable inference?

A) There is a positive correlation between male body size and male lifespan.
B) Increased sexual activity may shorten the lifespan of small males.
C) Increased sexual activity may shorten the lifespan of large males.
D) Virgin females are smaller than mated females.